Countries that were in World War I

All nations that participated in World War One.

Some countries no longer exist today.

Quiz by

Rate:

Last updated: January 12, 2026

You have not attempted this quiz yet.

More quiz info >>

First submitted	January 12, 2026
Times taken	25
Average score	62.5%
Report this quiz	Report

Quiz and answer stats >>

Shared scores >>

4:00

Enter answer here

/ 32 guessed

The quiz is paused. You have remaining.

Copied!

Scoring

You scored / = %

This beats or equals % of test takers also scored 100%

The average score is

Your high score is

Your fastest time is

more stats >>

shared scores >>

Keep scrolling down for answers and more stats ...

Date of Joining The War	Side	Answer
July 28th 1914	Central Powers	Austria-Hungary
July 28th 1914	Allies (Entente)	Serbia
August 1st 1914	Allies (Entente)	Russian Empire
August 1st 1914	Central Powers	German Empire
August 3rd 1914	Allies (Entente)	France
August 4th 1914	Allies (Entente)	Belgium
August 4th 1914	Allies (Entente)	United Kingdom
August 4th 1914	Allies (Entente)	Dominion of Canada
August 4th 1914	Allies (Entente)	British Raj
August 4th 1914	Allies (Entente)	Union of South Africa
August 4th 1914	Allies (Entente)	Egypt
August 4th 1914	Allies (Entente)	Australia
August 4th 1914	Allies (Entente)	New Zealand
August 5th 1914	Allies (Entente)	Kingdom of Montenegro
August 23rd 1914	Allies (Entente)	Japan
November 2nd 1914	Central Powers	Ottoman Empire

Date of Joining The War	Side	Answer
May 23rd 1915	Allies (Entente)	Kingdom of Italy
October 14th 1915	Central Powers	Tsardom of Bulgaria
March 9th 1916	Allies (Entente)	Portuguese Empire
August 27th 1916	Allies (Entente)	Romania
April 6th 1917	Allies (Entente)	United States of America
April 7th 1917	Allies (Entente)	Cuba
April 7th 1917	Allies (Entente)	Panama
June 29th 1917	Allies (Entente)	Kingdom of Greece
July 22nd 1917	Allies (Entente)	Siam
August 4th 1917	Allies (Entente)	Liberia
October 26th 1917	Allies (Entente)	Brazil
April 23rd 1918	Allies (Entente)	Guatemala
May 6th 1918	Allies (Entente)	Nicaragua
May 23rd 1918	Allies (Entente)	Costa Rica
July 12th 1918	Allies (Entente)	Haiti
July 19th 1918	Allies (Entente)	Honduras

Save Your Stats

Your Next Quiz

Countries that Start with P

Can you name the countries of the world whose names start with the letter P?

Pin Europe on a Borderless Map - Sudden Death

Drag the flag onto the correct country. Careful, though! One wrong move and the game ends.

Spanish Words #1 - Click the Pictures

Click the emoji that corresponds to each Spanish word.

Pin Africa on a Borderless Map

Drag the pin onto the correct country. Careful, though! Three wrong moves and the game ends.

Comments

No comments yet

Countries of the World Quiz

US States Quiz

Random Capital to Country

NBA Basketball Teams Quiz

Country Flags Quiz #1

Brand Logos Quiz #1

NFL Football Teams Quiz

Elements of the Periodic Table

Countries that Start with A

Word Scramble - Countries

U.S. State Capitals Quiz

Europe Capitals Quiz